/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */
package redinftel.servlets;

import java.io.IOException;
import java.io.PrintWriter;
import java.net.URLDecoder;
import java.util.List;
import javax.ejb.EJB;
import javax.faces.context.FacesContext;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;
import redinftel.entidades.Usuario;
import redinftel.sesiones.UsuarioFacadeRemote;

/**
 *
 * @author Curro
 */
public class autenticacionServlet extends HttpServlet {

    @EJB
    private UsuarioFacadeRemote usuarioFacade;
    final String USUARIO = "usuario";

    /** 
     * Processes requests for both HTTP <code>GET</code> and <code>POST</code> methods.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    protected void processRequest(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        response.setContentType("text/html;charset=UTF-8");
        PrintWriter out = response.getWriter();

        try {
            String email = request.getParameter("email");
            String pass = request.getParameter("password");
             email = URLDecoder.decode(email, "UTF-8");
             pass = URLDecoder.decode(pass, "UTF-8");
             
            if (email.equals("") || pass.equals("")) {
                out.println("-1");
            } else {
                List<Usuario> lu = usuarioFacade.findUsuario(email, pass);
                if (lu.isEmpty()) {
                    out.println("-2");
                } else {

                    HttpSession session = (HttpSession) request.getSession(true);
                    session.setAttribute(USUARIO, lu.get(0));
                    out.println(session.getId());
                    out.println(lu.get(0).getPerfil().getNombre());
               }
            }
        } finally {
            out.close();
        }
    }

    // <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">
    /** 
     * Handles the HTTP <code>GET</code> method.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /** 
     * Handles the HTTP <code>POST</code> method.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /** 
     * Returns a short description of the servlet.
     * @return a String containing servlet description
     */
    @Override
    public String getServletInfo() {
        return "Short description";
    }// </editor-fold>
}
